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arptables — Manage ARP filtering rules using the `nftables` backend. Part of the `xtables-nft` suite for ARP pac

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commandarptablesarpclimanagefilteringusingrules
linux

Problem

How to use the arptables command: Manage ARP filtering rules using the nftables backend. Part of the xtables-nft suite for ARP packet filtering. More information: <https://manned.org/arptables>.

Solution

arptables — Manage ARP filtering rules using the nftables backend. Part of the xtables-nft suite for ARP packet filtering. More information: <https://manned.org/arptables>.

List all ARP rules in the filter table:
sudo arptables {{[-L|--list]}}


Append a rule to drop ARP packets from a specific IP address:
sudo arptables {{[-A|--append]}} INPUT {{[-s|--source-ip]}} {{192.168.0.1}} {{[-j|--jump]}} DROP


Delete a specific rule from the INPUT chain by its rule number:
sudo arptables {{[-D|--delete]}} INPUT {{rule_number}}


Flush all rules in the filter table:
sudo arptables {{[-F|--flush]}}


Set the default policy of the OUTPUT chain to ACCEPT:
sudo arptables {{[-P|--policy]}} OUTPUT ACCEPT


Save the current ARP rules to a file:
sudo arptables-save > {{path/to/file}}

Code Snippets

List all ARP rules in the filter table

sudo arptables {{[-L|--list]}}

Append a rule to drop ARP packets from a specific IP address

sudo arptables {{[-A|--append]}} INPUT {{[-s|--source-ip]}} {{192.168.0.1}} {{[-j|--jump]}} DROP

Delete a specific rule from the INPUT chain by its rule number

sudo arptables {{[-D|--delete]}} INPUT {{rule_number}}

Flush all rules in the filter table

sudo arptables {{[-F|--flush]}}

Set the default policy of the OUTPUT chain to ACCEPT

sudo arptables {{[-P|--policy]}} OUTPUT ACCEPT

Context

tldr-pages: linux/arptables

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